Ya.O. Areshin – Leading Engineer, JSC «SPC «SRI of Long-distance Radio Communication» (Moscow) E-mail: yareshin@gmail.com

B.A. Zaikin – Post-graduate Student, Department of Theoretical Radio Engineering and Radiophysics,  Institute of Radio Engineering and Telecommunication Systems RTU MIREA (Moscow)

E-mail: halfmazerkin@gmail.com

A.F. Kotov – Dr.Sc.(Eng.), Professor, Department of Theoretical Radio Engineering and Radiophysics,  Institute of Radio Engineering and Telecommunication Systems RTU MIREA (Moscow) E-mail: kotov@mirea.ru

V.M. Artyushenko1, V.I. Volovach2

1 Technological University named after twice Hero of the Soviet Union Cosmonaut A.A. Leonov (Korolev, Russia)

2 Volga Region State University of Service (Tolyatti, Russia); Voronezh State University (Voronezh, Russia)

1 artuschenko@mail.ru; 2 volovach.vi@mail.ru